Home / 136,340,148.08-188,154,047.24-80,633,321.48

Finding the Fourth Proportional to 136,340,148.08, 188,154,047.24 and 80,633,321.48

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Solution

The fourth proportional to 136,340,148.08, 188,154,047.24 and 80,633,321.48 is: 111,276,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,148.08 : 188,154,047.24 = 80,633,321.48 : x
  2. Step 2: Convert to fraction form
    136,340,148.08/188,154,047.24 = 80,633,321.48/x
  3. Step 3: Cross multiply
    136,340,148.08x = 188,154,047.24 × 80,633,321.48
  4. Step 4: Simplify right side
    136,340,148.08x = 15,171,485,778,866,028
  5. Step 5: Solve for x
    x = 15,171,485,778,866,028/136,340,148.08
  6. Step 6: Final answer
    x = 111,276,729.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.